You are configuring the Clarity Timesheet App in Rally. When clicking on the App, you get a popup with "page cannot be displayed"
Release : Rally 12.1
Clarity 16.1
To resolve this, for the PPM Host Name, enter the IDP initiated URL for clarity.
Remove the string 'https://' in front the of the URL. Rally will add it.
The "page cannot be displayed" was because of the extra 'https://' string in the URL.
For Relative Path:
/pm/integration.html